另一个被反复忽视的约束，来自抽佣本身的结构变化。早期的抽佣往往表现为清晰的单一比例，但随着平台业务复杂化，收费逐渐被拆分为技术服务费、营销推广费、会员费、广告费等多项组合。抽佣不再是一个价格，而是一套规则。对供给侧而言，理解与比较成本显著上升；对平台而言，收费的可解释性开始影响交易秩序与信任基础。
const dropOld = Stream.push({ highWaterMark: 2, backpressure: 'drop-oldest' });
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"A lot of the work we're doing today by maintaining turbines and gas compressors will be shifted to maintaining high pressure pumps that inject the CO2," maintenance manager, Peter Bjerre told the BBC.
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